Portable electronic device



FIG. 1 is a front perspective view of a portable electronic device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view thereof, shown in its environment.

The broken line showing of a strap in FIG. 8 illustrates environment; the remaining broken lines illustrate portions of the portable electronic device. The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a portable electronic device, as shown and described. 